<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图 -->
    <el-card>
      <!-- 搜索与添加 -->
      <el-row :gutter="15">
        <el-col :span="12">
          <el-input placeholder="请输入内容"
                    class="input-with-select"
                    v-model="queryInfo.query"
                    clearable
                    @clear="getUserList">
            <el-button slot="append"
                       icon="el-icon-search"
                       @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表区 -->
      <el-table :data="userlist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态" prop="mg_state">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChanged(scope.row)"
              active-color="#13ce66"
              inactive-color="#ff4949"
              :active-text="isactive">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-tooltip class="item" effect="dark" content="修改信息" placement="top-start" :enterable="false">
              <el-button
                @click="showEditDialog(scope.row.id)"
                type="primary"
                icon="el-icon-edit"
                size="mini"></el-button>
            </el-tooltip>
            <!-- 删除按钮 -->
            <el-tooltip class="item" effect="dark" content="删除记录" placement="top" :enterable="false">
              <el-button
                @click="removeUserById(scope.row.id)"
                type="danger"
                icon="el-icon-delete"
                size="mini"></el-button>
            </el-tooltip>
            <!-- 分配角色按钮 -->
            <el-tooltip class="item"
                        effect="dark"
                        content="设置角色"
                        placement="top-end"
                        :enterable="false"
                        @click="setRole"
            ><el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="setRole(scope.row)"
            ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 页码分页搜索 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper" #指定显示哪些布局结构
        :total="total">
      </el-pagination>
    </el-card>
    <!-- 添加用户对话框 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%"
      @close="addDialogClosed">
      <!-- 内容主体区 -->
      <el-form :model="addForm"
               :rules="addFormRules"
               ref="addFormRef"
               label-width="70px"
               >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!--底部区-->
      <span slot="footer" class="dialog-footer">
        <el-button type="primary" @click="addUser">确 定</el-button>
        <el-button @click="addDialogVisible = false">取 消</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户对话框 -->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="50%" @close="editDialogClosed">
      <!-- 内容主体区 -->
      <el-form :model="editForm"
               :rules="editFormRules"
               ref="editFormRef"
               label-width="70px">
        <el-form-item label="用户名" >
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!--底部区-->
      <span slot="footer" class="dialog-footer">
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
        <el-button @click="editDialogVisible = false">取 消</el-button>
      </span>
    </el-dialog>
    <!-- 分配角色对话框 -->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      @close="roleDialogClosed"
      width="50%" >
      <!-- 内容主体区 -->
      <div>
        <p>当前的用户：{{ userInfo.username }}</p>
        <p>当前的角色：{{ userInfo.role_name }}</p>
        <p>分配新角色：
          <el-select v-model="selectedRoleId"
                     placeholder="请选择">
            <el-option
              v-for="item in roleList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id">
            </el-option>
          </el-select>
        </p>
      </div>
      <!--底部区-->
      <span slot="footer" class="dialog-footer">
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import axios from 'axios'

export default {
  data() {
    // 验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      // 验证邮箱的正则表达式
      const regEmail = /^\w{3,}(\.\w+)*@[A-z 0-9]+(\.[A-z]{2,5}){1,2}$/
      if(regEmail.test(value)) {
        // 合法邮箱
        return cb()
      }
      cb(new Error('你家邮箱长这样？'))
    }
    // 验证手机的规则
    var checkMoblie = (rule, value, cb) => {
      // 验证手机号的正则表达式
      const regEmail = /^1[0-9]{10}$/
      if(regEmail.test(value)) {
        // 合法手机号
        return cb()
      }
      cb(new Error('该手机号拨不通！'))
    }
    return {
      // 获取用户列表参数
      queryInfo: {
        // 搜索关键字
        query: '',
        // 当前的页数
        pagenum: 1,
        // 当前每页显示多少条数据
        pagesize: 2,
      },
      userlist: [],
      // 需要被分配角色的用户信息
      userInfo: {},
      // 所有角色的数据列表
      roleList: [],
      // 下拉框的已选中的角色id值
      selectedRoleId: [],
      total: 0,
      // 对话框的显示与隐藏
      addDialogVisible: false,
      eaitDialogVisible: false,
      setRoleDialogVisible: false,
      isactive: "有效",
      // 添加用户表单数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: '',
      },
      // 添加表单-验证规则
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '用户名长度在3~10个字符之间', trigger: 'blur'}
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '密码长度在6~15个字符之间', trigger: 'blur'}
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' },
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMoblie, trigger: 'blur' },
        ],
      },
      // 控制修改用户信息的对话框的显示与隐藏
      editDialogVisible: false,
      // 查询到的用户信息
      editForm: {},
      // 修改表单-验证规则
      editFormRules: {
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' },
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMoblie, trigger: 'blur' },
        ],
      }
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    // 获取用户列表信息
    async getUserList() {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo
      })
      if(res.meta.status !== 200) {
        return this.$message.error('操作不当！即将删除数据库')
      }
      this.userlist = res.data.users
      this.total = res.data.total
      console.log(res)
    },
    // 监听 pagesize 的改变
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 监听 页码值 的改变
    handleCurrentChange(newPage) {
      console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 监听 switch 开关状态改变
    async userStateChanged(userinfo) {
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      )
      console.log(res)
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('操作不当！即将删除数据库')
      }
      this.$message.success('干得漂亮！')
    },
    // 监听用户对话框关闭
    addDialogClosed() {
      this.$refs.addFormRef.resetFields()
    },
    // 点击按钮，用户添加
    addUser() {
      this.$refs.addFormRef.validate( async valid => {
        if (!valid) return
        // 可以发起添加用户请求
        const { data: res } = await this.$http.post(
          'users', this.addForm
        )
        if (res.meta.status !== 201) {
          this.$message.error('添加失败！该人员正在被通缉！')
        }
        this.$message.success('恭喜您成功开通年费VIP')
        // 隐藏添加用户的对话框
        this.addDialogVisible = false
        // 重新获取用户列表
        await this.getUserList()
      })
    },
    // 展示编辑用户的对话框
    async showEditDialog(id) {
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('查询失败！该用户不在地球！')
      }
      // console.log(res.data)
      this.editForm = res.data
      this.editDialogVisible = true
    },
    // 监听编辑用户对话框关闭
    editDialogClosed() {
      this.$refs.editFormRef.resetFields()
    },
    // 修改用户信息并提交
    editUserInfo() {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return
        // 发起修改用户信息的数据请求
        const { data: res } = await this.$http.put(
          'users/' + this.editForm.id,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile
          }
        )
        if (res.meta.status !== 200) {
          this.$message.error('更新失败！该用户正在被通缉！')
        }
        // 隐藏修改用户信息的对话框
        this.editDialogVisible = false
        // 重新获取用户列表
        await this.getUserList()
        // 提示信息
        this.$message.success('恭喜您成功开通年费VIP')
      })
    },
    // 展示删除操作框
    async removeUserById(id) {
      // 弹框询问是否删除
      const confirmResult = await this.$confirm(
        '确定要和女朋友分手？',
        '你完了',
        {
            confirmButtonText: '还是确定',
            cancelButtonText: '确定',
            type: 'warning'
         }).catch(err => err)
      // 如果用户确认删除，则返回值为字符串 confirm
      // 如果用户取消删除，则返回值为字符串 cancel
      if (confirmResult !== 'confirm') {
        return this.$message.success('恭喜恢复单身！')
      }
      const { data: res } = await this.$http.delete(
        'users/' + id
      )
      if (res.meta.status !== 200) {
        return this.$message.error('网不好，但是你女朋友还是没了！')
      }
      // 重新获取用户列表
      await this.getUserList()
      // 提示信息
      this.$message.success('心中无女人，拔刀自然神！')
    },
    // 展示分配角色对话框
    async setRole(userInfo) {
      this.userInfo = userInfo
      // 获取所有角色列表
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        this.$message.error('角色获取失败！该用户没有名分！')
      }
      // 保存角色数据
      this.roleList = res.data
      // 重新获取用户列表
      await this.getUserList()
      // 展示对话框
      this.setRoleDialogVisible = true
    },
    // 监听关闭分配角色对话框
    roleDialogClosed() {
      this.selectedRoleId = ''
      this.userInfo = {}
    },
    // 监听确定分配角色按钮
    async saveRoleInfo() {
      if (!this.selectedRoleId) {
        return this.$message.error('请选择要交往的对象！')
      }
      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        {
          rid: this.selectedRoleId
        }
      )
      if (res.meta.status !== 200) {
        return this.$message.error('该对象对你不屑一顾并删了你的联系方式！')
      }
      this.$message.success('切！对方接受了你的交往请求')
      // 重新获取用户列表
      await this.getUserList()
      // 隐藏对话框
      this.setRoleDialogVisible = false

    },
  },
}
</script>

<style lang="less" scoped>

</style>
